WST icon

West Pharmaceutical

728 hedge funds and large institutions have $15.3B invested in West Pharmaceutical in 2025 Q2 according to their latest regulatory filings, with 103 funds opening new positions, 267 increasing their positions, 264 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

1% more repeat investments, than reductions

Existing positions increased: 267 | Existing positions reduced: 264

1% less capital invested

Capital invested by funds: $15.4B → $15.3B (-$136M)

67% less funds holding in top 10

Funds holding in top 10: 31 (-2)

Holders
728
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$80M
Puts
$30.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
401
$578K
402
$570K
403
$558K
404
$551K
405
$550K
406
$546K
407
$545K
408
$544K
409
$544K
410
$535K
411
$532K
412
$528K
413
$527K
414
$520K
415
$516K
416
$514K
417
$512K
418
$509K
419
$505K
420
$501K
421
$495K
422
$478K
423
$466K
424
$465K
425
$461K